Lavenite Simonov V I, Belov N V Doklady Akademii Nauk SSSR 130 (1960) 1333-1336 Crystal structure of lavenite Locality: the Lovozero alkaline massif, Kola Peninsula, Russia _database_code_amcsd 0018913 10.540 9.90 7.14 90 108.20 90 P2_1/a atom x y z occ Biso Na .425 .376 .343 .87 Ca .304 .105 .525 .75 .87 Na .304 .105 .525 .25 .87 Mn .237 .376 .856 .33 .87 Fe .237 .376 .856 .31 .87 Ca .237 .376 .856 .24 .87 Nb .237 .376 .856 .09 .87 Zr .294 .105 .024 .73 .87 Ti .294 .105 .024 .26 .87 Si1 .123 .331 .223 .87 Si2 .117 .331 .667 .87 O1 .130 .331 .443 1.35 O2 .238 .241 .197 1.35 O3 .250 .241 .800 1.35 O4 .163 .483 .180 1.35 O5 .122 .483 .750 1.35 O6 .480 .223 .098 1.35 O7 .484 .239 .670 1.35 O8 .119 .010 .954 1.35 F .120 .005 .423 1.35